GODOT IS OPEN SOURCE
This commit is contained in:
Juan Linietsky
parent
0e49da1687
commit
0b806ee0fc
3138 changed files with 1294441 additions and 0 deletions
302
drivers/nedmalloc/nedmalloc.h
Normal file
302
drivers/nedmalloc/nedmalloc.h
Normal file
|
|
@ -0,0 +1,302 @@
|
|||
#ifdef NEDMALLOC_ENABLED
|
||||
|
||||
/* nedalloc, an alternative malloc implementation for multiple threads without
|
||||
lock contention based on dlmalloc v2.8.3. (C) 2005-2009 Niall Douglas
|
||||
|
||||
Boost Software License - Version 1.0 - August 17th, 2003
|
||||
|
||||
Permission is hereby granted, free of charge, to any person or organization
|
||||
obtaining a copy of the software and accompanying documentation covered by
|
||||
this license (the "Software") to use, reproduce, display, distribute,
|
||||
execute, and transmit the Software, and to prepare derivative works of the
|
||||
Software, and to permit third-parties to whom the Software is furnished to
|
||||
do so, all subject to the following:
|
||||
|
||||
The copyright notices in the Software and this entire statement, including
|
||||
the above license grant, this restriction and the following disclaimer,
|
||||
must be included in all copies of the Software, in whole or in part, and
|
||||
all derivative works of the Software, unless such copies or derivative
|
||||
works are solely in the form of machine-executable object code generated by
|
||||
a source language processor.
|
||||
|
||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
|
||||
SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
|
||||
FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
|
||||
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
||||
DEALINGS IN THE SOFTWARE.
|
||||
*/
|
||||
|
||||
#ifndef NEDMALLOC_H
|
||||
#define NEDMALLOC_H
|
||||
|
||||
#include "typedefs.h"
|
||||
#define MALLOC_ALIGNMENT DEFAULT_ALIGNMENT
|
||||
|
||||
#ifdef PSP_ENABLED
|
||||
#define USE_LOCKS 0
|
||||
#define HAVE_MMAP 0
|
||||
#endif
|
||||
|
||||
/* See malloc.c.h for what each function does.
|
||||
|
||||
REPLACE_SYSTEM_ALLOCATOR on POSIX causes nedalloc's functions to be called
|
||||
malloc, free etc. instead of nedmalloc, nedfree etc. You may or may not want
|
||||
this. On Windows it causes nedmalloc to patch all loaded DLLs and binaries
|
||||
to replace usage of the system allocator.
|
||||
|
||||
NO_NED_NAMESPACE prevents the functions from being defined in the nedalloc
|
||||
namespace when in C++ (uses the global namespace instead).
|
||||
|
||||
NEDMALLOCEXTSPEC can be defined to be __declspec(dllexport) or
|
||||
__attribute__ ((visibility("default"))) or whatever you like. It defaults
|
||||
to extern unless NEDMALLOC_DLL_EXPORTS is set as it would be when building
|
||||
nedmalloc.dll.
|
||||
|
||||
USE_LOCKS can be 2 if you want to define your own MLOCK_T, INITIAL_LOCK,
|
||||
ACQUIRE_LOCK, RELEASE_LOCK, TRY_LOCK, IS_LOCKED and NULL_LOCK_INITIALIZER.
|
||||
|
||||
NEDMALLOC_DEBUG can be defined to cause DEBUG to be set differently for nedmalloc
|
||||
than for the rest of the build. Remember to set NDEBUG to disable all assertion
|
||||
checking too.
|
||||
|
||||
USE_MAGIC_HEADERS causes nedalloc to allocate an extra three sizeof(size_t)
|
||||
to each block. nedpfree() and nedprealloc() can then automagically know when
|
||||
to free a system allocated block. Enabling this typically adds 20-50% to
|
||||
application memory usage.
|
||||
|
||||
ENABLE_TOLERANT_NEDMALLOC is automatically turned on if REPLACE_SYSTEM_ALLOCATOR
|
||||
is set or the Windows DLL is being built. This causes nedmalloc to detect when a
|
||||
system allocator block is passed to it and to handle it appropriately. Note that
|
||||
without USE_MAGIC_HEADERS there is a very tiny chance that nedmalloc will segfault
|
||||
on non-Windows builds (it uses Win32 SEH to trap segfaults on Windows and there
|
||||
is no comparable system on POSIX).
|
||||
|
||||
USE_ALLOCATOR can be one of these settings (it defaults to 1):
|
||||
0: System allocator (nedmalloc now simply acts as a threadcache).
|
||||
WARNING: Intended for DEBUG USE ONLY - not all functions work correctly.
|
||||
1: dlmalloc
|
||||
|
||||
ENABLE_LARGE_PAGES enables support for requesting memory from the system in large
|
||||
(typically >=2Mb) pages if the host OS supports this. These occupy just a single
|
||||
TLB entry and can significantly improve performance in large working set applications.
|
||||
|
||||
ENABLE_FAST_HEAP_DETECTION enables special logic to detect blocks allocated
|
||||
by the system heap. This avoids 1.5%-2% overhead when checking for non-nedmalloc
|
||||
blocks, but it assumes that the NT and glibc heaps function in a very specific
|
||||
fashion which may not hold true across OS upgrades.
|
||||
*/
|
||||
|
||||
#include <stddef.h> /* for size_t */
|
||||
|
||||
#ifndef NEDMALLOCEXTSPEC
|
||||
#ifdef NEDMALLOC_DLL_EXPORTS
|
||||
#ifdef WIN32
|
||||
#define NEDMALLOCEXTSPEC extern __declspec(dllexport)
|
||||
#elif defined(__GNUC__)
|
||||
#define NEDMALLOCEXTSPEC extern __attribute__ ((visibility("default")))
|
||||
#endif
|
||||
#ifndef ENABLE_TOLERANT_NEDMALLOC
|
||||
#define ENABLE_TOLERANT_NEDMALLOC 1
|
||||
#endif
|
||||
#else
|
||||
#define NEDMALLOCEXTSPEC extern
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#if __STDC_VERSION__ >= 199901L /* C99 or better */
|
||||
#define RESTRICT restrict
|
||||
#else
|
||||
#if defined(_MSC_VER) && _MSC_VER>=1400
|
||||
#define RESTRICT __restrict
|
||||
#endif
|
||||
#ifdef __GNUC__
|
||||
#define RESTRICT __restrict
|
||||
#endif
|
||||
#endif
|
||||
#ifndef RESTRICT
|
||||
#define RESTRICT
|
||||
#endif
|
||||
|
||||
#if defined(_MSC_VER) && _MSC_VER>=1400
|
||||
#define NEDMALLOCPTRATTR __declspec(restrict)
|
||||
#define NEDMALLOCNOALIASATTR __declspec(noalias)
|
||||
#endif
|
||||
#ifdef __GNUC__
|
||||
#define NEDMALLOCPTRATTR __attribute__ ((malloc))
|
||||
#endif
|
||||
#ifndef NEDMALLOCPTRATTR
|
||||
#define NEDMALLOCPTRATTR
|
||||
#endif
|
||||
#ifndef NEDMALLOCNOALIASATTR
|
||||
#define NEDMALLOCNOALIASATTR
|
||||
#endif
|
||||
|
||||
#ifndef USE_MAGIC_HEADERS
|
||||
#define USE_MAGIC_HEADERS 0
|
||||
#endif
|
||||
|
||||
#ifndef USE_ALLOCATOR
|
||||
#define USE_ALLOCATOR 1 /* dlmalloc */
|
||||
#endif
|
||||
|
||||
#if !USE_ALLOCATOR && !USE_MAGIC_HEADERS
|
||||
#error If you are using the system allocator then you MUST use magic headers
|
||||
#endif
|
||||
|
||||
#ifdef REPLACE_SYSTEM_ALLOCATOR
|
||||
#if USE_ALLOCATOR==0
|
||||
#error Cannot combine using the system allocator with replacing the system allocator
|
||||
#endif
|
||||
#ifndef ENABLE_TOLERANT_NEDMALLOC
|
||||
#define ENABLE_TOLERANT_NEDMALLOC 1
|
||||
#endif
|
||||
#ifndef WIN32 /* We have a dedicated patcher for Windows */
|
||||
#define nedmalloc malloc
|
||||
#define nedcalloc calloc
|
||||
#define nedrealloc realloc
|
||||
#define nedfree free
|
||||
#define nedmemalign memalign
|
||||
#define nedmallinfo mallinfo
|
||||
#define nedmallopt mallopt
|
||||
#define nedmalloc_trim malloc_trim
|
||||
#define nedmalloc_stats malloc_stats
|
||||
#define nedmalloc_footprint malloc_footprint
|
||||
#define nedindependent_calloc independent_calloc
|
||||
#define nedindependent_comalloc independent_comalloc
|
||||
#ifdef _MSC_VER
|
||||
#define nedblksize _msize
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#if defined(__cplusplus)
|
||||
extern "C" {
|
||||
#endif
|
||||
struct nedmallinfo {
|
||||
size_t arena; /* non-mmapped space allocated from system */
|
||||
size_t ordblks; /* number of free chunks */
|
||||
size_t smblks; /* always 0 */
|
||||
size_t hblks; /* always 0 */
|
||||
size_t hblkhd; /* space in mmapped regions */
|
||||
size_t usmblks; /* maximum total allocated space */
|
||||
size_t fsmblks; /* always 0 */
|
||||
size_t uordblks; /* total allocated space */
|
||||
size_t fordblks; /* total free space */
|
||||
size_t keepcost; /* releasable (via malloc_trim) space */
|
||||
};
|
||||
#if defined(__cplusplus)
|
||||
}
|
||||
#endif
|
||||
|
||||
#if defined(__cplusplus)
|
||||
#if !defined(NO_NED_NAMESPACE)
|
||||
namespace nedalloc {
|
||||
#else
|
||||
extern "C" {
|
||||
#endif
|
||||
#define THROWSPEC throw()
|
||||
#else
|
||||
#define THROWSPEC
|
||||
#endif
|
||||
|
||||
/* These are the global functions */
|
||||
|
||||
/* Gets the usable size of an allocated block. Note this will always be bigger than what was
|
||||
asked for due to rounding etc. Optionally returns 1 in isforeign if the block came from the
|
||||
system allocator - note that there is a small (>0.01%) but real chance of segfault on non-Windows
|
||||
systems when passing non-nedmalloc blocks if you don't use USE_MAGIC_HEADERS.
|
||||
*/
|
||||
NEDMALLOCEXTSPEC NEDMALLOCNOALIASATTR size_t nedblksize(int *RESTRICT isforeign, void *RESTRICT mem) THROWSPEC;
|
||||
|
||||
NEDMALLOCEXTSPEC NEDMALLOCNOALIASATTR void nedsetvalue(void *v) THROWSPEC;
|
||||
|
||||
NEDMALLOCEXTSPEC NEDMALLOCNOALIASATTR NEDMALLOCPTRATTR void * nedmalloc(size_t size) THROWSPEC;
|
||||
NEDMALLOCEXTSPEC NEDMALLOCNOALIASATTR NEDMALLOCPTRATTR void * nedcalloc(size_t no, size_t size) THROWSPEC;
|
||||
NEDMALLOCEXTSPEC NEDMALLOCNOALIASATTR NEDMALLOCPTRATTR void * nedrealloc(void *mem, size_t size) THROWSPEC;
|
||||
NEDMALLOCEXTSPEC NEDMALLOCNOALIASATTR void nedfree(void *mem) THROWSPEC;
|
||||
NEDMALLOCEXTSPEC NEDMALLOCNOALIASATTR NEDMALLOCPTRATTR void * nedmemalign(size_t alignment, size_t bytes) THROWSPEC;
|
||||
NEDMALLOCEXTSPEC NEDMALLOCNOALIASATTR struct nedmallinfo nedmallinfo(void) THROWSPEC;
|
||||
NEDMALLOCEXTSPEC NEDMALLOCNOALIASATTR int nedmallopt(int parno, int value) THROWSPEC;
|
||||
NEDMALLOCEXTSPEC NEDMALLOCNOALIASATTR void* nedmalloc_internals(size_t *granularity, size_t *magic) THROWSPEC;
|
||||
NEDMALLOCEXTSPEC NEDMALLOCNOALIASATTR int nedmalloc_trim(size_t pad) THROWSPEC;
|
||||
NEDMALLOCEXTSPEC void nedmalloc_stats(void) THROWSPEC;
|
||||
NEDMALLOCEXTSPEC NEDMALLOCNOALIASATTR size_t nedmalloc_footprint(void) THROWSPEC;
|
||||
NEDMALLOCEXTSPEC NEDMALLOCNOALIASATTR NEDMALLOCPTRATTR void **nedindependent_calloc(size_t elemsno, size_t elemsize, void **chunks) THROWSPEC;
|
||||
NEDMALLOCEXTSPEC NEDMALLOCNOALIASATTR NEDMALLOCPTRATTR void **nedindependent_comalloc(size_t elems, size_t *sizes, void **chunks) THROWSPEC;
|
||||
|
||||
/* Destroys the system memory pool used by the functions above.
|
||||
Useful for when you have nedmalloc in a DLL you're about to unload.
|
||||
If you call ANY nedmalloc functions after calling this you will
|
||||
get a fatal exception!
|
||||
*/
|
||||
NEDMALLOCEXTSPEC void neddestroysyspool() THROWSPEC;
|
||||
|
||||
/* These are the pool functions */
|
||||
struct nedpool_t;
|
||||
typedef struct nedpool_t nedpool;
|
||||
|
||||
/* Creates a memory pool for use with the nedp* functions below.
|
||||
Capacity is how much to allocate immediately (if you know you'll be allocating a lot
|
||||
of memory very soon) which you can leave at zero. Threads specifies how many threads
|
||||
will *normally* be accessing the pool concurrently. Setting this to zero means it
|
||||
extends on demand, but be careful of this as it can rapidly consume system resources
|
||||
where bursts of concurrent threads use a pool at once.
|
||||
*/
|
||||
NEDMALLOCEXTSPEC NEDMALLOCPTRATTR nedpool *nedcreatepool(size_t capacity, int threads) THROWSPEC;
|
||||
|
||||
/* Destroys a memory pool previously created by nedcreatepool().
|
||||
*/
|
||||
NEDMALLOCEXTSPEC void neddestroypool(nedpool *p) THROWSPEC;
|
||||
|
||||
/* Returns a zero terminated snapshot of threadpools existing at the time of call. Call
|
||||
nedfree() on the returned list when you are done. Returns zero if there is only the
|
||||
system pool in existence.
|
||||
*/
|
||||
NEDMALLOCEXTSPEC nedpool **nedpoollist() THROWSPEC;
|
||||
|
||||
/* Sets a value to be associated with a pool. You can retrieve this value by passing
|
||||
any memory block allocated from that pool.
|
||||
*/
|
||||
NEDMALLOCEXTSPEC void nedpsetvalue(nedpool *p, void *v) THROWSPEC;
|
||||
|
||||
/* Gets a previously set value using nedpsetvalue() or zero if memory is unknown.
|
||||
Optionally can also retrieve pool. You can detect an unknown block by the return
|
||||
being zero and *p being unmodifed.
|
||||
*/
|
||||
NEDMALLOCEXTSPEC void *nedgetvalue(nedpool **p, void *mem) THROWSPEC;
|
||||
|
||||
/* Trims the thread cache for the calling thread, returning any existing cache
|
||||
data to the central pool. Remember to ALWAYS call with zero if you used the
|
||||
system pool. Setting disable to non-zero replicates neddisablethreadcache().
|
||||
*/
|
||||
NEDMALLOCEXTSPEC void nedtrimthreadcache(nedpool *p, int disable) THROWSPEC;
|
||||
|
||||
/* Disables the thread cache for the calling thread, returning any existing cache
|
||||
data to the central pool. Remember to ALWAYS call with zero if you used the
|
||||
system pool.
|
||||
*/
|
||||
NEDMALLOCEXTSPEC void neddisablethreadcache(nedpool *p) THROWSPEC;
|
||||
|
||||
|
||||
NEDMALLOCEXTSPEC NEDMALLOCPTRATTR void * nedpmalloc(nedpool *p, size_t size) THROWSPEC;
|
||||
NEDMALLOCEXTSPEC NEDMALLOCPTRATTR void * nedpcalloc(nedpool *p, size_t no, size_t size) THROWSPEC;
|
||||
NEDMALLOCEXTSPEC NEDMALLOCPTRATTR void * nedprealloc(nedpool *p, void *mem, size_t size) THROWSPEC;
|
||||
NEDMALLOCEXTSPEC void nedpfree(nedpool *p, void *mem) THROWSPEC;
|
||||
NEDMALLOCEXTSPEC NEDMALLOCPTRATTR void * nedpmemalign(nedpool *p, size_t alignment, size_t bytes) THROWSPEC;
|
||||
NEDMALLOCEXTSPEC struct nedmallinfo nedpmallinfo(nedpool *p) THROWSPEC;
|
||||
NEDMALLOCEXTSPEC int nedpmallopt(nedpool *p, int parno, int value) THROWSPEC;
|
||||
NEDMALLOCEXTSPEC int nedpmalloc_trim(nedpool *p, size_t pad) THROWSPEC;
|
||||
NEDMALLOCEXTSPEC void nedpmalloc_stats(nedpool *p) THROWSPEC;
|
||||
NEDMALLOCEXTSPEC size_t nedpmalloc_footprint(nedpool *p) THROWSPEC;
|
||||
NEDMALLOCEXTSPEC NEDMALLOCPTRATTR void **nedpindependent_calloc(nedpool *p, size_t elemsno, size_t elemsize, void **chunks) THROWSPEC;
|
||||
NEDMALLOCEXTSPEC NEDMALLOCPTRATTR void **nedpindependent_comalloc(nedpool *p, size_t elems, size_t *sizes, void **chunks) THROWSPEC;
|
||||
|
||||
#if defined(__cplusplus)
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
||||
#endif
|
||||
Loading…
Add table
Add a link
Reference in a new issue